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Diffstat (limited to 'fs/ecryptfs/inode.c')
-rw-r--r--fs/ecryptfs/inode.c42
1 files changed, 22 insertions, 20 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index fc7d2b748503..f0ad965d7d51 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -259,7 +259,8 @@ static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry)
259 "context; rc = [%d]\n", rc); 259 "context; rc = [%d]\n", rc);
260 goto out; 260 goto out;
261 } 261 }
262 rc = ecryptfs_get_lower_file(ecryptfs_dentry); 262 rc = ecryptfs_get_lower_file(ecryptfs_dentry,
263 ecryptfs_dentry->d_inode);
263 if (rc) { 264 if (rc) {
264 printk(KERN_ERR "%s: Error attempting to initialize " 265 printk(KERN_ERR "%s: Error attempting to initialize "
265 "the lower file for the dentry with name " 266 "the lower file for the dentry with name "
@@ -350,50 +351,51 @@ static int ecryptfs_lookup_interpose(struct dentry *ecryptfs_dentry,
350 __func__, rc); 351 __func__, rc);
351 goto out; 352 goto out;
352 } 353 }
353 if (inode->i_state & I_NEW) 354 if (!S_ISREG(inode->i_mode)) {
354 unlock_new_inode(inode); 355 if (inode->i_state & I_NEW)
355 d_add(ecryptfs_dentry, inode); 356 unlock_new_inode(inode);
356 if (S_ISDIR(lower_inode->i_mode)) 357 d_add(ecryptfs_dentry, inode);
357 goto out;
358 if (S_ISLNK(lower_inode->i_mode))
359 goto out;
360 if (special_file(lower_inode->i_mode))
361 goto out; 358 goto out;
359 }
362 /* Released in this function */ 360 /* Released in this function */
363 page_virt = kmem_cache_zalloc(ecryptfs_header_cache_2, GFP_USER); 361 page_virt = kmem_cache_zalloc(ecryptfs_header_cache_2, GFP_USER);
364 if (!page_virt) { 362 if (!page_virt) {
365 printk(KERN_ERR "%s: Cannot kmem_cache_zalloc() a page\n", 363 printk(KERN_ERR "%s: Cannot kmem_cache_zalloc() a page\n",
366 __func__); 364 __func__);
367 rc = -ENOMEM; 365 rc = -ENOMEM;
366 make_bad_inode(inode);
368 goto out; 367 goto out;
369 } 368 }
370 rc = ecryptfs_get_lower_file(ecryptfs_dentry); 369 rc = ecryptfs_get_lower_file(ecryptfs_dentry, inode);
371 if (rc) { 370 if (rc) {
372 printk(KERN_ERR "%s: Error attempting to initialize " 371 printk(KERN_ERR "%s: Error attempting to initialize "
373 "the lower file for the dentry with name " 372 "the lower file for the dentry with name "
374 "[%s]; rc = [%d]\n", __func__, 373 "[%s]; rc = [%d]\n", __func__,
375 ecryptfs_dentry->d_name.name, rc); 374 ecryptfs_dentry->d_name.name, rc);
375 make_bad_inode(inode);
376 goto out_free_kmem; 376 goto out_free_kmem;
377 } 377 }
378 put_lower = 1; 378 put_lower = 1;
379 crypt_stat = &ecryptfs_inode_to_private( 379 crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat;
380 ecryptfs_dentry->d_inode)->crypt_stat;
381 /* TODO: lock for crypt_stat comparison */ 380 /* TODO: lock for crypt_stat comparison */
382 if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED)) 381 if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED))
383 ecryptfs_set_default_sizes(crypt_stat); 382 ecryptfs_set_default_sizes(crypt_stat);
384 rc = ecryptfs_read_and_validate_header_region(page_virt, 383 rc = ecryptfs_read_and_validate_header_region(page_virt, inode);
385 ecryptfs_dentry->d_inode);
386 if (rc) { 384 if (rc) {
387 memset(page_virt, 0, PAGE_CACHE_SIZE); 385 memset(page_virt, 0, PAGE_CACHE_SIZE);
388 rc = ecryptfs_read_and_validate_xattr_region(page_virt, 386 rc = ecryptfs_read_and_validate_xattr_region(page_virt,
389 ecryptfs_dentry); 387 inode);
390 if (rc) { 388 if (rc) {
391 rc = 0; 389 rc = 0;
392 goto out_free_kmem; 390 goto unlock_inode;
393 } 391 }
394 crypt_stat->flags |= ECRYPTFS_METADATA_IN_XATTR; 392 crypt_stat->flags |= ECRYPTFS_METADATA_IN_XATTR;
395 } 393 }
396 ecryptfs_i_size_init(page_virt, ecryptfs_dentry->d_inode); 394 ecryptfs_i_size_init(page_virt, inode);
395unlock_inode:
396 if (inode->i_state & I_NEW)
397 unlock_new_inode(inode);
398 d_add(ecryptfs_dentry, inode);
397out_free_kmem: 399out_free_kmem:
398 kmem_cache_free(ecryptfs_header_cache_2, page_virt); 400 kmem_cache_free(ecryptfs_header_cache_2, page_virt);
399 goto out; 401 goto out;
@@ -403,7 +405,7 @@ out_put:
403 d_drop(ecryptfs_dentry); 405 d_drop(ecryptfs_dentry);
404out: 406out:
405 if (put_lower) 407 if (put_lower)
406 ecryptfs_put_lower_file(ecryptfs_dentry->d_inode); 408 ecryptfs_put_lower_file(inode);
407 return rc; 409 return rc;
408} 410}
409 411
@@ -843,7 +845,7 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
843 lower_ia->ia_valid &= ~ATTR_SIZE; 845 lower_ia->ia_valid &= ~ATTR_SIZE;
844 return 0; 846 return 0;
845 } 847 }
846 rc = ecryptfs_get_lower_file(dentry); 848 rc = ecryptfs_get_lower_file(dentry, inode);
847 if (rc) 849 if (rc)
848 return rc; 850 return rc;
849 crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat; 851 crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
@@ -999,7 +1001,7 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
999 1001
1000 mount_crypt_stat = &ecryptfs_superblock_to_private( 1002 mount_crypt_stat = &ecryptfs_superblock_to_private(
1001 dentry->d_sb)->mount_crypt_stat; 1003 dentry->d_sb)->mount_crypt_stat;
1002 rc = ecryptfs_get_lower_file(dentry); 1004 rc = ecryptfs_get_lower_file(dentry, inode);
1003 if (rc) { 1005 if (rc) {
1004 mutex_unlock(&crypt_stat->cs_mutex); 1006 mutex_unlock(&crypt_stat->cs_mutex);
1005 goto out; 1007 goto out;